After this the feast went on without further incident for a while, the Easterns always drinking more wine, till at length the tables were cleared and all of the meaner sort departed from the hall, save the butlers and the personal servants such as Bes, who stood behind the seats of their masters.

I would think that the Rambam, as a Sephardi Jew, the Rambam would have been quite familiar with glatt kosher (though not the term “glatt”, which is Yiddish); the Bes Yosef (who, granted, lived after the Rambam) ruled that there cannot be lesions on the lungs of a kosher animal, even if those lesions have healed.